
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller;

import DAO.DanhMucDAO;
import DAO.LoaiSanPhamDAO;
import DAO.SanPhamDAO;
import POJO.DanhMucPOJO;
import POJO.LoaiSanPhamPOJO;
import POJO.SanPhamPOJO;

import java.io.IOException;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author NGUYEN CONG BINH
 */
@WebServlet(name = "ProductController", urlPatterns = {"/ProductController"})
public class ProductController extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        String action = request.getParameter("Action");
        if (action != null) {
            //bảng danh muc
            ArrayList<DanhMucPOJO> dm = DanhMucDAO.layDanhSachDanhMuc();
            request.setAttribute("danhmucAttribute", dm);
            //bảng loại sản phẩm
            ArrayList<LoaiSanPhamPOJO> loaisanpham = LoaiSanPhamDAO.layDanhSachLoaiSanPham();
            request.setAttribute("loaisanphamAttribute", loaisanpham);
            //bảng sản phẩm
            ArrayList<SanPhamPOJO> sanpham = SanPhamDAO.layDanhSachSanPham();
            request.setAttribute("sanphamAttribute", sanpham);



//            if (request.getParameter("MaLoaiSanPham") != null) {
//                int maloaisanpham = Integer.parseInt(request.getParameter("MaLoaiSanPham"));
//                ArrayList<SanPhamPOJO> sanphamtheomaloaisanpham = SanPhamDAO.layDanhSachSanPhamTheoMaLoaiSanPham(maloaisanpham);
//                request.setAttribute("sanphamtheomaloaisanphamAttribute", sanphamtheomaloaisanpham);
//            }
//
//
//            if (request.getParameter("MaDanhMuc") != null) {
//                int MaDanhMuc = Integer.parseInt(request.getParameter("MaDanhMuc"));
//                ArrayList<LoaiSanPhamPOJO> dsloaisanpham = LoaiSanPhamDAO.layDanhSachLoaiSanPhamTheoDanhMuc(MaDanhMuc);
//                request.setAttribute("dsloaisanphamAttribute", dsloaisanpham);
//            }
            if (action.equals("ViewDM")) {

                if (request.getParameter("MaDanhMuc") != null) {
                    int MaDanhMuc = Integer.parseInt(request.getParameter("MaDanhMuc"));
                    ArrayList<LoaiSanPhamPOJO> dsloaisanpham = LoaiSanPhamDAO.layDanhSachLoaiSanPhamTheoDanhMuc(MaDanhMuc);
                    request.setAttribute("dsloaisanphamAttribute", dsloaisanpham);
                }
                request.getRequestDispatcher("/ProductListDM.jsp").forward(request, response);

            }
            if (action.equals("ViewSP")) {
                
                if (request.getParameter("MaLoaiSanPham") != null) {
                    int maloaisanpham = Integer.parseInt(request.getParameter("MaLoaiSanPham"));
                    ArrayList<SanPhamPOJO> sanphamtheomaloaisanpham = SanPhamDAO.layDanhSachSanPhamTheoMaLoaiSanPham(maloaisanpham);
                    request.setAttribute("sanphamtheomaloaisanphamAttribute", sanphamtheomaloaisanpham);
                    request.getRequestDispatcher("/ProductListSP.jsp").forward(request, response);
                }
                request.getRequestDispatcher("/ProductListSP.jsp").forward(request, response);

            }
        }
    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">

    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }
}
// </editor-fold>